Ridger, R. G. (1994). The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRidger, Ronald G. The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRidger, Ronald G. The World Bank's Role In Human Resource Development In Sub-saharan Africa Education, Training, And Technical Assistance Ronald G. Ridger. The World Bank, 1994.
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